header{
    position: relative;
    height: 66px;
    border-bottom: 1px solid #aec7ec;
    z-index: 1;
    background: #1C1C1C;
}
/* 顶部中间区域 */
header .nav{
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    line-height: 66px;
}
header .nav li{
    margin: 0 20px;
}
header .nav a{
    color: #fff;
    font-size: 14px;
    line-height: 22px;
}
header .nav a.active{
    font-size: 16px;
    padding-bottom: 21px;
    color:#fff;
    border-bottom: 2px solid #fff;
}
/* 中间内容区域 */
.content{
    height: 1352px;
    padding-bottom: 166px;
    border-bottom: 1px solid #efefef;
    box-sizing: border-box;
    background-color: #f8f9fb;
}
.content-top{
    position: relative;
    height: 180px;
  }
.content-top  .movetop{
    position: absolute;
    height: 290px;
    top: -160px;
    left: 0px;
    width: 1200px;
    background: #fff;
}

.content-top .movetop .movetop-l{
    width:532px ;
    height: 290px;
    padding-left:48px;
    padding-top:48px;
    box-sizing: border-box;
    background: #fff;
}
.movetop-l .title{
    font-size: 24px;
    color: #181818;
    line-height: 34px;
    margin-top: 18px;
    margin-bottom: 12px;
  }
.movetop-l .text{
    font-size: 14px;
    color: #666;
    line-height: 24px;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
  }
  .desc-main{
    font-size: 14px;
    color: #181818;
    line-height: 24px;
    margin-top: 22px;
    
  }
  .desc-footer{
    font-size: 12px;
    color: #666;
    height: 60px;
    line-height: 60px;
    
  }
  .desc-footer .line{
    background-color: #1271ef;
    width: 14px;
    height: 4px;
    margin-top: 30px;
    margin-right: 10px;
  }
  .content-top .movetop .movetop-r,
  .content-top .movetop .movetop-r img
  {
    width: 580px;
    height: 290px;
  }
  /* 收益 */
.profit{
    width: 1100px;
    margin: 0 auto;
}
.profit-title{
    font-size: 24px;
    line-height: 30px; 
    margin-top: 20px;
    margin-bottom: 24px;
    color: #181818
 }
 .profit-desc{
   font-size: 14px;
   line-height: 22px; 
    color: #000;
    margin-bottom: 54px;
 }
 .profit-img img{
   width: 100%;
 }
 .detail-desc{
   width: 1100px;
   margin: 0 auto;
 }

/* 尾部 */
.footer{
    width: 100%;
    background: #fff; 
    height: 330px;
    padding-top: 16px;
    padding-bottom: 19px;
    box-sizing: border-box;

}
.footer-item{
    width: 160px;
    background: #fff;
}
canvas{
    background-color: #1D1D1D; 
    position: absolute !important;
    top: 66px !important;
}
.toTop{
  width: 40px;
  height: 40px;
  background: #181818;
  border-radius: 50%;
  background: url(../images/returntopicon.jpg) no-repeat;
  background-position: -163px -56px;
  position: fixed;
  right: 20px;
  bottom: 20px;
  display: none;
  cursor: pointer;
}